:root {
  --ink: #192f49;
  --muted: #526377;
  --blue: #174cb5;
  --deep: #173c83;
  --ice: #eef5fc;
  --rule: #d4dfec;
  --orange: #d94918;
  --green: #087a32;
  --font: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', Meiryo, sans-serif;
  --gutter: 32px;
  --section-space: 80px;
  --heading-gap: 32px;
  --card-space: 32px;
  --header-height: 88px;
}
* { box-sizing: border-box; }
html { background: #fff; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 20px); }
body { margin: 0; background: #fff; color: var(--ink); font: 400 16px/1.8 var(--font); -webkit-font-smoothing: antialiased; }
h1,h2,h3,p,figure,dl,dd { margin: 0; }
a { color: inherit; text-decoration: none; }
button,input,textarea,select { font: inherit; }
button { cursor: pointer; }
button,a,input,textarea,select { -webkit-tap-highlight-color: transparent; }
a,button { touch-action: manipulation; }
img { display: block; width: 100%; max-width: 100%; height: auto; }
em { font-style: normal; }
h1,h2,h3 { text-wrap: balance; }
h2 { font-size: 34px; line-height: 1.5; letter-spacing: -.025em; font-weight: 800; }
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible { outline: 3px solid #dd530d; outline-offset: 4px; }
.container { width: min(1120px, calc(100% - var(--gutter) * 2)); margin-inline: auto; }
.section { padding-block: var(--section-space); }
.section-heading { margin-bottom: var(--heading-gap); }
.section-kicker { display: flex; align-items: center; gap: 10px; color: var(--blue); font-size: 13px; line-height: 1.5; font-weight: 700; letter-spacing: .055em; margin-bottom: 12px; }
.section-kicker::before { content: ''; width: 24px; height: 2px; flex: none; background: currentColor; }
.section-heading > p:last-child:not(.section-kicker) { max-width: 38em; margin: 16px auto 0; font-size: 16px; line-height: 1.8; color: var(--muted); text-wrap: pretty; }
.caption { font-size: 12px; line-height: 1.8; color: var(--muted); margin-top: 16px; }
.mobile-break,.mobile-copy-break { display: none; }
.skip { position: fixed; z-index: 100; top: 0; left: 16px; background: #fff; padding: 12px; transform: translateY(-150%); }
.skip:focus { transform: translateY(0); }

/* Header and actions */
.header { height: var(--header-height); padding-inline: 3.4%; display: flex; align-items: center; gap: 28px; position: sticky; top: 0; z-index: 30; background: #fff; border-bottom: 1px solid #e8edf3; }
.brand { display: inline-flex; flex-direction: column; flex-shrink: 0; line-height: 1.2; }
.brand-name { font: 900 32px/1.1 Arial,sans-serif; letter-spacing: -1.6px; color: var(--blue); }
.brand-caption { font-size: 10px; font-weight: 600; letter-spacing: .025em; margin-top: 6px; }
.desktop-nav { display: flex; gap: 24px; margin-left: auto; font-size: 13px; font-weight: 700; }
.desktop-nav a { padding: 12px 0; }
.desktop-nav a:hover { text-decoration: underline; text-underline-offset: 8px; }
.header-contact { display: flex; gap: 22px; align-items: center; }
.header-phone { display: flex; flex-direction: column; line-height: 1.4; }
.header-phone span { font-size: 11px; }
.header-phone strong { font: 700 23px/1.4 Arial,sans-serif; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 60px; padding: 16px 24px; border: 1px solid transparent; border-radius: 5px; background: var(--orange); color: #fff; box-shadow: 0 3px 0 #ae3410; font-size: 16px; line-height: 1.5; font-weight: 700; transition: background .18s,transform .18s; }
.button > span:last-child { font-size: 22px; font-weight: 400; }
.button:hover { background: #bb3a0e; transform: translateY(-1px); }
.button-small { min-height: 48px; padding: 12px 20px; gap: 18px; font-size: 14px; }
.text-link { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 700; }
.text-link:hover { text-decoration: underline; text-underline-offset: 5px; }
.line-symbol { display: inline-block; color: #fff; background: var(--green); font: 800 10px/1.8 Arial,sans-serif; border-radius: 5px; padding: 2px 5px; }
.line-link { color: var(--green); }

/* First view */
.hero { background: var(--ice); overflow: hidden; }
.hero-inner { display: grid; grid-template-columns: 1.08fr 1fr; min-height: 590px; align-items: center; }
.hero-copy { position: relative; z-index: 2; padding: 44px 24px 44px 0; }
.hero-area { color: var(--muted); font-size: 12px; font-weight: 700; letter-spacing: .06em; margin-bottom: 12px; }
.hero-category { border-left: 3px solid var(--blue); padding-left: 10px; color: var(--blue); font-size: 17px; font-weight: 700; line-height: 1.5; margin-bottom: 20px; }
.hero h1 { font-size: clamp(39px,3.4vw,49px); line-height: 1.45; letter-spacing: -.045em; font-weight: 900; word-break: keep-all; overflow-wrap: anywhere; }
.hero h1 > span { font-size: .68em; letter-spacing: -.025em; white-space: nowrap; }
.hero h1 em { color: var(--blue); white-space: nowrap; }
.hero .mobile-break { display: none; }
.hero-description { font-size: 16px; line-height: 1.85; font-weight: 500; margin-top: 20px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 26px; }
.hero-note { color: var(--muted); font-size: 12px; line-height: 1.7; margin-top: 16px; }
.hero-visual { align-self: end; height: 540px; width: calc(100% + max(32px, (100vw - 1120px) / 2)); position: relative; border-top-left-radius: 88px; overflow: hidden; }
.hero-visual img { height: 100%; object-fit: cover; object-position: 55% center; }
.visual-label { position: absolute; left: 28px; bottom: 36px; display: flex; flex-direction: column; align-items: flex-start; gap: 6px; }
.visual-label span,.visual-label strong { background: #fff; padding: 4px 12px; letter-spacing: .06em; }
.visual-label span { font-size: 14px; font-weight: 600; }
.visual-label strong { font-size: 24px; font-weight: 800; color: var(--blue); }
.trust-strip { background: var(--blue); color: #fff; }
.trust-inner { display: grid; grid-template-columns: repeat(3,1fr); align-items: center; padding-block: 24px; }
.trust-inner > div { text-align: center; padding-inline: 20px; border-right: 1px solid #ffffff50; }
.trust-inner > div:last-child { border: 0; }
.trust-label { font-size: 12px; color: #e2ecff; }
.trust-inner p { font-size: 23px; font-weight: 700; line-height: 1.35; margin: 5px 0; }
.number { font: 700 42px/1.05 Arial,sans-serif; letter-spacing: -.04em; }
.trust-inner small { font-size: 11px; color: #e2ecff; }

/* Entry points */
.concerns { padding-block: 64px; }
.concerns .section-heading { text-align: center; }
.concerns .section-kicker { justify-content: center; }
.concern-grid { display: grid; grid-template-columns: repeat(3,1fr); border-block: 1px solid var(--rule); }
.concern { padding: 26px 28px; transition: background .18s; }
.concern + .concern { border-left: 1px solid var(--rule); }
.concern:hover { background: var(--ice); }
.index { color: var(--blue); font: 500 14px/1.4 Arial,sans-serif; }
.concern h3 { font-size: 20px; line-height: 1.55; margin: 12px 0 16px; font-weight: 700; }
.concern-answer { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: var(--blue); font-size: 13px; font-weight: 700; line-height: 1.6; }

/* Service chapters */
.reasons { background: #fff; }
.reasons-intro { background: var(--deep); color: #fff; text-align: center; padding-block: 48px; }
.reasons-intro .section-kicker { justify-content: center; color: #dce9ff; margin-bottom: 16px; }
.reasons-intro .section-kicker::after { content: ''; width: 24px; height: 2px; background: currentColor; }
.reasons-intro h2 { font-size: 35px; line-height: 1.5; }
.intro-summary { color: #dce9ff; font-size: 15px; line-height: 1.8; margin-top: 16px; }
.feature { padding-block: 64px; }
.feature-layout { display: grid; grid-template-columns: 1fr 1fr; grid-template-areas: 'heading image' 'body image'; column-gap: 56px; row-gap: 20px; align-items: start; }
.feature-heading { grid-area: heading; align-self: end; }
.feature-number { display: flex; align-items: center; gap: 10px; color: var(--blue); font-size: 13px; font-weight: 700; line-height: 1.5; margin-bottom: 14px; }
.feature-number > span { font: 500 20px/1.2 Arial,sans-serif; }
.feature h3 { font-size: 30px; line-height: 1.55; letter-spacing: -.025em; font-weight: 800; }
.feature h3 em { color: var(--blue); }
.feature-body { grid-area: body; max-width: 34em; }
.feature-body > p:not(.caption) { color: var(--muted); font-size: 16px; line-height: 1.85; }
.feature-body .caption { margin-top: 16px; max-width: 42em; }
.feature-image { grid-area: image; aspect-ratio: 1.4; border-radius: 6px; overflow: hidden; }
.feature-image img { height: 100%; object-fit: cover; }
.feature-selection { background: var(--ice); }
.feature-selection .feature-layout { grid-template-areas: 'board heading' 'board body'; }
.selection-board { grid-area: board; border: 1px solid var(--rule); background: #fff; padding: 26px 30px 0; }
.board-label { font-size: 17px; line-height: 1.5; font-weight: 700; margin-bottom: 14px; }
.selection-board ol { list-style: none; padding: 0; margin: 0; }
.selection-board li { display: flex; gap: 16px; align-items: center; padding-block: 17px; border-top: 1px solid var(--rule); }
.selection-board li > span { color: var(--blue); font: 400 24px/1.2 Arial,sans-serif; }
.selection-board li strong { display: block; font-size: 17px; line-height: 1.5; font-weight: 700; }
.selection-board li p { color: var(--muted); font-size: 14px; line-height: 1.65; margin-top: 4px; }
.board-footer { background: var(--blue); color: #fff; text-align: center; font-size: 13px; line-height: 1.6; padding: 13px 10px; margin: 4px -30px 0; }
.board-footer span { opacity: .6; margin-inline: 6px; }
.feature-guarantee { background: var(--blue); color: #fff; padding-block: 52px; }
.guarantee-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.guarantee-layout .feature-heading { grid-area: auto; align-self: center; }
.feature-guarantee .feature-number { color: #dce9ff; }
.guarantee-metrics { display: grid; grid-template-columns: 1fr 1fr; text-align: center; }
.guarantee-metrics > div { padding: 4px 16px; }
.guarantee-metrics > div + div { border-left: 1px solid #ffffff55; }
.guarantee-metrics dt { font-size: 14px; line-height: 1.5; font-weight: 500; }
.guarantee-metrics dd { font-size: 18px; margin-top: 10px; line-height: 1.2; white-space: nowrap; }
.guarantee-metrics dd > span { font-size: 14px; }
.guarantee-metrics strong { font: 700 66px/1.1 Arial,sans-serif; letter-spacing: -.035em; }
.guarantee-detail .caption { color: #e2ecff; text-align: center; margin-top: 20px; }

/* Cost and payment */
.cost-heading { display: flex; align-items: end; justify-content: space-between; gap: 40px; margin-bottom: var(--heading-gap); }
.cost-heading .section-heading { margin-bottom: 0; }
.cost-heading > p { font-size: 15px; line-height: 1.85; color: var(--muted); }
.cost-heading > p > strong { font-weight: 700; color: var(--ink); }
.payment-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; align-items: stretch; }
.payment { border: 1px solid var(--rule); border-radius: 5px; padding: var(--card-space); }
.payment-lease { background: var(--ice); border-top: 4px solid var(--blue); }
.payment-buy { border-top: 4px solid #71849c; }
.payment-label { font-size: 13px; color: var(--muted); line-height: 1.5; margin-bottom: 6px; }
.payment h3 { font-size: 23px; line-height: 1.5; font-weight: 800; }
.lease-amount { display: flex; flex-wrap: wrap; align-items: baseline; gap: 12px; margin: 24px 0; }
.lease-amount > span { font-size: 17px; font-weight: 700; }
.lease-amount strong { color: var(--blue); font: 700 80px/1 Arial,sans-serif; letter-spacing: -.05em; }
.lease-amount b { color: var(--blue); font-size: 25px; margin-left: -5px; }
.lease-amount small { color: var(--muted); font-size: 11px; line-height: 1.6; }
.payment > p:not(.payment-label):not(.caption) { color: var(--muted); font-size: 15px; line-height: 1.85; }
.payment .caption { margin-top: 14px; }
.purchase-label { font-size: 24px; line-height: 1.6; font-weight: 700; letter-spacing: -.025em; margin-top: 24px; }
.purchase-payment { border-top: 1px solid var(--rule); padding-top: 20px; margin-top: 24px; }
.purchase-payment dt { color: var(--muted); font-size: 13px; line-height: 1.6; }
.purchase-payment dd { font-size: 19px; font-weight: 700; line-height: 1.5; margin-top: 6px; }
.purchase-payment dd span { color: #90a0b3; margin-inline: .35em; }
.purchase-payment p { color: var(--muted); font-size: 14px; line-height: 1.8; margin-top: 12px; }
.estimate-check { display: grid; grid-template-columns: .8fr 1.2fr; align-items: center; gap: 32px; border-bottom: 1px solid var(--rule); padding: 24px 0; margin-top: 8px; }
.estimate-check > div { display: flex; gap: 14px; align-items: center; }
.estimate-mark { font-size: 28px; color: var(--blue); }
.estimate-check h3 { font-size: 18px; line-height: 1.6; }
.estimate-points { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 20px; }
.estimate-points li { font-size: 14px; line-height: 1.7; color: var(--muted); }
.estimate-points li::before { content: '✓'; color: var(--blue); margin-right: 7px; }

/* Mid-page contact and supporting information */
.contact-band { background: var(--deep); color: #fff; padding-block: 40px; }
.contact-band > .container { display: flex; align-items: center; justify-content: space-between; gap: 36px; }
.contact-band p { color: #dce9ff; font-size: 12px; line-height: 1.7; margin-bottom: 10px; }
.contact-band h2 { font-size: 27px; line-height: 1.55; }
.contact-band .button { min-width: 310px; }
.band-phone { display: flex; align-items: center; justify-content: center; gap: 12px; font-size: 12px; line-height: 1.5; margin-top: 16px; }
.band-phone strong { font: 700 23px/1.3 Arial,sans-serif; letter-spacing: .015em; }
.flow,.faq { background: #f4f8fc; }
.flow > .container { display: grid; grid-template-columns: .85fr 1.15fr; column-gap: 64px; align-items: start; }
.flow .section-heading { position: sticky; top: calc(var(--header-height) + 32px); margin-bottom: 0; }
.flow-content { min-width: 0; }
.flow-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--rule); }
.flow-list li { display: flex; align-items: baseline; gap: 20px; padding-block: 24px; border-bottom: 1px solid var(--rule); }
.step-number { flex: none; color: var(--blue); font: 400 24px/1.3 Arial,sans-serif; }
.flow-list h3 { font-size: 18px; line-height: 1.5; font-weight: 700; margin-bottom: 8px; }
.flow-list p { color: var(--muted); font-size: 15px; line-height: 1.8; max-width: 34em; text-wrap: pretty; }
.flow-content > .caption { margin-top: 16px; }
.area-layout { display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: center; }
.area h2 { font-size: 30px; }
.area-copy { font-size: 15px; line-height: 1.8; color: var(--muted); margin-top: 16px; }
.area-prefectures { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.area-prefectures span { padding: 6px 13px; border: 1px solid #cbdaed; background: #fff; font-size: 13px; line-height: 1.6; font-weight: 600; }
.service-panel { border: 1px solid var(--rule); background: #fff; border-radius: 4px; padding: 26px 28px; }
.service-panel-label { font-size: 15px; line-height: 1.6; font-weight: 700; margin-bottom: 14px; }
.service-panel > a { display: flex; align-items: center; justify-content: space-between; gap: 16px; border-top: 1px solid var(--rule); padding-block: 20px; }
.service-panel > a:last-child { padding-bottom: 0; }
.service-panel h3 { font-size: 17px; line-height: 1.5; }
.service-panel a p { color: var(--muted); font-size: 13px; line-height: 1.7; margin-top: 6px; }
.service-panel a > span { color: var(--blue); font-size: 24px; flex: none; }
.service-panel a:hover h3 { color: var(--blue); text-decoration: underline; text-underline-offset: 5px; }
.faq-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 64px; align-items: start; }
.faq h2 { font-size: 30px; }
.faq-list { border-top: 1px solid var(--rule); min-width: 0; }
.faq-list details { border-bottom: 1px solid var(--rule); }
.faq-list summary { list-style: none; display: grid; grid-template-columns: 26px 1fr 16px; align-items: center; gap: 12px; padding-block: 22px; font-size: 15px; font-weight: 600; line-height: 1.75; cursor: pointer; }
.faq-list summary::-webkit-details-marker { display: none; }
.q { color: var(--blue); font: 500 21px/1.2 Arial,sans-serif; }
.toggle { position: relative; width: 14px; height: 14px; }
.toggle::before,.toggle::after { content: ''; position: absolute; width: 14px; height: 2px; background: var(--blue); top: 6px; left: 0; }
.toggle::after { transform: rotate(90deg); transition: transform .18s; }
details[open] .toggle::after { transform: rotate(0); }
.faq-answer { color: var(--muted); font-size: 15px; line-height: 1.85; padding: 0 24px 22px 38px; max-width: 42em; text-wrap: pretty; }

/* Contact */
.contact { background: #e8f1fc; }
.contact .section-heading { text-align: center; margin-bottom: 36px; }
.contact .section-kicker { justify-content: center; }
.contact-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 48px; align-items: start; }
.contact-options { position: sticky; top: calc(var(--header-height) + 24px); }
.contact-phone-box { border-top: 3px solid var(--blue); padding-block: 24px; }
.contact-phone-box > p:first-child { font-size: 16px; line-height: 1.6; font-weight: 700; }
.contact-phone-box > a { display: inline-block; color: var(--blue); margin: 10px 0; }
.contact-phone-box strong { font: 700 33px/1.3 Arial,sans-serif; }
.phone-hours { color: var(--muted); font-size: 12px; line-height: 1.8; }
.contact-line { display: flex; gap: 14px; align-items: center; border: 1px solid #badcc7; border-radius: 4px; background: #fff; color: var(--green); padding: 20px; }
.contact-line .line-symbol { font-size: 13px; padding: 6px 7px; }
.contact-line strong { display: block; font-size: 16px; line-height: 1.5; }
.contact-line small { display: block; color: var(--muted); font-size: 12px; line-height: 1.6; margin-top: 3px; }
.contact-line > span:last-child { margin-left: auto; font-size: 24px; }
.contact-line:hover { background: #f3fbf6; }
.contact-company { border-top: 1px solid var(--rule); margin-top: 28px; padding-top: 24px; }
.contact-company > strong { font-size: 14px; }
.contact-company p { color: var(--muted); font-size: 12px; line-height: 1.9; margin-top: 12px; }
.inquiry-form { min-width: 0; border: 1px solid var(--rule); border-radius: 5px; background: #fff; padding: 32px; }
.inquiry-form > h3 { font-size: 22px; line-height: 1.5; font-weight: 700; margin-bottom: 8px; }
.form-intro { color: var(--muted); font-size: 12px; line-height: 1.8; }
.required-legend { color: #af3114; }
.preview-notice { color: var(--muted); background: var(--ice); border: 1px solid #d2deeb; padding: 10px 12px; font-size: 12px; line-height: 1.7; margin-top: 16px; }
.preview-notice[hidden] { display: none; }
.inquiry-form fieldset { border: 0; min-width: 0; margin: 24px 0 0; padding: 0; }
.inquiry-form legend,.field > label { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; line-height: 1.6; margin-bottom: 10px; }
.required-tag,.optional-tag { display: inline-block; font-size: 10px; line-height: 1.6; padding: 1px 5px; border-radius: 2px; }
.required-tag { color: #ae3213; background: #fff0ec; border: 1px solid #f4cabb; }
.optional-tag { color: #687689; background: #f0f3f6; border: 1px solid #e0e6ec; }
.service-choices { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; }
.service-choices label { display: flex; align-items: center; min-height: 48px; min-width: 0; gap: 8px; border: 1px solid #cbd7e4; border-radius: 3px; padding: 12px; font-size: 13px; line-height: 1.5; cursor: pointer; }
.service-choices label:has(input:checked) { border-color: var(--blue); background: #f2f7fd; color: var(--blue); }
.service-choices input { margin: 0; width: 16px; height: 16px; accent-color: var(--blue); flex: none; }
.field { margin-top: 22px; }
.field input,.field textarea { width: 100%; border: 1px solid #b9c8d8; border-radius: 3px; background: #fff; color: var(--ink); font-size: 16px; line-height: 1.5; padding: 12px 14px; }
.field textarea { resize: vertical; min-height: 126px; }
.field input::placeholder,.field textarea::placeholder { color: #8391a2; font-size: 14px; }
.field input[aria-invalid=true] { border-color: #c83d1c; background: #fff9f7; }
.field-help { color: var(--muted); font-size: 12px; line-height: 1.7; margin-top: 6px; }
.field-error { color: #b93414; font-size: 12px; line-height: 1.7; margin-top: 6px; }
.field-error:empty { display: none; }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.privacy-note { color: var(--muted); font-size: 12px; line-height: 1.8; text-align: center; margin: 24px 0 18px; }
.privacy-note a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.submit-button { width: 100%; min-height: 60px; gap: 12px; }
.submit-button > span:first-child { font-size: 15px; font-weight: 700; }
.submit-button:disabled { cursor: wait; opacity: .65; transform: none; }
.form-status { font-size: 13px; line-height: 1.8; margin-top: 16px; }
.form-status:empty { margin-top: 0; }
.form-status.is-success { padding: 16px; background: #edf8f0; color: #19653a; border-left: 3px solid #277746; }
.form-status.is-error { padding: 16px; background: #fff3ef; color: #a33218; border-left: 3px solid #bd451e; }
.inquiry-form[aria-busy=true] { cursor: progress; }

/* Footer and mobile contact bar */
.footer { padding-block: 36px; border-top: 1px solid var(--rule); background: #f3f6fa; }
.footer-inner { display: flex; align-items: start; justify-content: space-between; gap: 32px; }
.footer p { font-size: 12px; line-height: 1.8; margin-top: 14px; }
.footer-links { display: flex; flex-direction: column; align-items: flex-end; gap: 10px; font-size: 12px; line-height: 1.6; }
.footer-links a { padding: 4px 0; }
.footer-links small { color: var(--muted); font-size: 11px; margin-top: 8px; }
.mobile-dock { display: none; }

@media (max-width: 1180px) {
  .desktop-nav { display: none; }
  .header-contact { margin-left: auto; }
  .hero-actions { gap: 16px; }
  .hero-actions .button { font-size: 15px; padding-inline: 20px; }
  .feature-layout,.guarantee-layout,.area-layout,.faq-layout,.flow > .container { column-gap: 36px; }
  .feature h3 { font-size: 27px; }
  .contact-layout { gap: 32px; }
  .contact-phone-box strong { font-size: 29px; }
}

@media (max-width: 959px) {
  :root { --gutter: 24px; --section-space: 56px; --heading-gap: 28px; --card-space: 28px; --header-height: 72px; }
  html { scroll-padding-bottom: calc(88px + env(safe-area-inset-bottom)); }
  .section > .container,.feature > .container,.reasons-intro > .container,.contact-band > .container,.footer > .container { width: min(560px,calc(100% - var(--gutter) * 2)); }
  .header { padding-inline: var(--gutter); gap: 12px; }
  .brand-name { font-size: 28px; }
  .brand-caption { font-size: 10px; margin-top: 4px; }
  .header-phone { display: none; }
  .button-small { min-height: 44px; padding: 10px 14px; gap: 12px; font-size: 13px; }
  .button-small > span:last-child { font-size: 18px; }
  .mobile-break,.mobile-copy-break { display: block; }
  h2,.area h2,.faq h2 { font-size: 28px; line-height: 1.5; letter-spacing: -.03em; }
  .section-heading,.area-layout > div:first-child { text-align: center; }
  .section-kicker { justify-content: center; font-size: 12px; margin-bottom: 12px; }
  .section-kicker::before,.section-kicker::after { content: ''; width: 18px; height: 2px; background: currentColor; }
  .section-heading > p:last-child:not(.section-kicker) { max-width: 32em; font-size: 15px; margin-top: 14px; }

  .hero-inner { display: block; width: 100%; min-height: 0; }
  .hero-copy { max-width: 528px; padding: 28px var(--gutter) 24px; margin-inline: auto; text-align: center; }
  .hero-area { margin-bottom: 10px; }
  .hero-category { display: inline-block; border: 0; padding: 0; font-size: 15px; margin-bottom: 16px; }
  .hero h1 { font-size: 38px; line-height: 1.4; letter-spacing: -.06em; }
  .hero h1 > span { font-size: 24px; letter-spacing: -.035em; }
  .hero-description { font-size: 15px; line-height: 1.8; margin-top: 18px; }
  .hero-actions { display: grid; gap: 14px; max-width: 360px; margin: 22px auto 0; }
  .hero-actions .button { width: 100%; min-height: 58px; font-size: 16px; }
  .hero-actions .line-link { justify-content: center; min-height: 32px; }
  .hero-note { max-width: 360px; font-size: 11px; margin: 10px auto 0; }
  .hero-visual { width: min(480px,calc(100% - var(--gutter) * 2)); height: auto; aspect-ratio: 1.5; margin-inline: auto; border-radius: 28px 28px 0 0; }
  .hero-visual img { position: absolute; inset: 0; object-position: center 43%; }
  .visual-label { display: none; }
  .trust-inner { width: min(560px,100%); padding: 18px 8px; grid-template-columns: 1.12fr 1fr 1fr; }
  .trust-inner > div { padding-inline: 6px; min-height: 80px; display: flex; flex-direction: column; justify-content: center; }
  .trust-label { font-size: 11px; }
  .trust-inner p { font-size: 14px; margin: 4px 0; }
  .trust-inner small { font-size: 10px; }
  .number { font-size: 32px; }

  .concerns { padding-block: 48px; }
  .concern-grid { display: block; }
  .concern { display: grid; grid-template-columns: 24px 1fr; column-gap: 12px; padding: 20px 4px; }
  .concern + .concern { border-left: 0; border-top: 1px solid var(--rule); }
  .concern .index { padding-top: 4px; }
  .concern h3 { font-size: 19px; line-height: 1.55; margin: 0 0 10px; text-wrap: initial; }
  .concern-answer { grid-column: 2; font-size: 13px; }
  .reasons-intro { padding-block: 40px; }
  .reasons-intro h2 { font-size: 29px; line-height: 1.5; }
  .reasons-intro .section-kicker { margin-bottom: 14px; }
  .intro-summary { font-size: 13px; margin-top: 14px; }
  .feature { padding-block: 48px; }
  .feature-layout,.feature-selection .feature-layout { display: grid; grid-template-columns: 1fr; grid-template-areas: 'heading' 'image' 'body'; gap: 22px; }
  .feature-selection .feature-layout { grid-template-areas: 'heading' 'body' 'board'; }
  .feature-heading { text-align: center; }
  .feature-number { justify-content: center; font-size: 12px; margin-bottom: 12px; }
  .feature-number > span { font-size: 19px; }
  .feature h3 { font-size: 27px; line-height: 1.55; }
  .feature-body { max-width: 480px; margin-inline: auto; }
  .feature-body > p:not(.caption) { font-size: 15px; text-align: center; line-height: 1.8; }
  .feature-body .caption { margin-top: 14px; font-size: 12px; }
  .feature-image { width: min(480px,100%); aspect-ratio: 1.5; margin-inline: auto; }
  .selection-board { width: min(480px,100%); margin-inline: auto; padding: 24px 24px 0; }
  .board-label { text-align: center; font-size: 16px; margin-bottom: 12px; }
  .selection-board li { padding-block: 15px; gap: 16px; }
  .selection-board li strong { font-size: 16px; }
  .selection-board li p { font-size: 13px; }
  .board-footer { margin-inline: -24px; font-size: 12px; padding-block: 12px; }
  .feature-guarantee { padding-block: 40px; }
  .guarantee-layout { display: block; }
  .guarantee-detail { max-width: 480px; margin: 24px auto 0; }
  .guarantee-metrics > div { padding: 0 10px; }
  .guarantee-metrics dt { font-size: 13px; }
  .guarantee-metrics strong { font-size: 60px; }
  .guarantee-metrics dd { font-size: 16px; }
  .guarantee-metrics dd > span { font-size: 12px; }
  .guarantee-detail .caption { margin-top: 20px; font-size: 12px; }

  .cost-heading { display: block; text-align: center; }
  .cost-heading > p { margin-top: 16px; font-size: 15px; line-height: 1.8; }
  .payment-grid { grid-template-columns: 1fr; gap: 20px; max-width: 480px; margin-inline: auto; }
  .payment-label,.payment h3,.purchase-label,.purchase-payment { text-align: center; }
  .payment h3 { font-size: 23px; }
  .lease-amount { justify-content: center; margin-block: 22px; }
  .lease-amount > span { font-size: 16px; }
  .lease-amount strong { font-size: 72px; }
  .lease-amount small { flex-basis: 100%; text-align: center; margin-top: -2px; }
  .purchase-label { font-size: 22px; margin-top: 22px; }
  .purchase-payment { margin-top: 22px; padding-top: 18px; }
  .estimate-check { display: block; max-width: 480px; margin: 4px auto 0; padding-block: 24px; }
  .estimate-check > div { justify-content: center; gap: 10px; text-align: center; }
  .estimate-check h3 { font-size: 18px; }
  .estimate-mark { font-size: 24px; }
  .estimate-points { display: grid; justify-content: center; gap: 6px; margin-top: 16px; }
  .contact-band { padding-block: 32px; }
  .contact-band > .container { display: block; text-align: center; }
  .contact-band h2 { font-size: 27px; }
  .contact-band .button { min-width: 0; width: 100%; max-width: 360px; margin-top: 22px; }
  .band-phone { margin-top: 16px; }

  .flow > .container,.area-layout,.faq-layout { display: block; }
  .flow .section-heading { position: static; margin-bottom: var(--heading-gap); }
  .flow-content,.faq-list { max-width: 520px; margin-inline: auto; }
  .flow-list li { gap: 14px; padding-block: 20px; }
  .step-number { font-size: 22px; min-width: 26px; }
  .flow-list h3 { font-size: 17px; margin-bottom: 8px; }
  .flow-list p { font-size: 15px; }
  .flow-content > .caption { font-size: 12px; margin-top: 14px; }
  .area-copy { font-size: 15px; margin-top: 14px; }
  .area-prefectures { justify-content: center; margin-top: 18px; }
  .service-panel { max-width: 480px; margin: 28px auto 0; padding: 24px; }
  .service-panel-label { text-align: center; font-size: 14px; }
  .service-panel h3 { font-size: 16px; }
  .service-panel a p { font-size: 13px; }
  .service-panel > a { padding-block: 18px; }
  .faq-list summary { grid-template-columns: 24px 1fr 14px; gap: 10px; font-size: 15px; line-height: 1.75; padding-block: 20px; }
  .q { font-size: 20px; }
  .faq-answer { padding: 0 4px 20px 34px; font-size: 15px; }
  .contact .section-heading { margin-bottom: 24px; }
  .contact-layout { display: block; }
  .contact-options { position: static; max-width: 480px; margin: 0 auto 28px; }
  .contact-phone-box { border: 0; text-align: center; padding: 0 0 20px; }
  .contact-phone-box > p:first-child { font-size: 14px; }
  .contact-phone-box strong { font-size: 34px; }
  .contact-phone-box > a { margin-block: 10px; }
  .contact-line { padding: 18px 20px; }
  .contact-line strong { font-size: 15px; }
  .contact-company { display: none; }
  .inquiry-form { max-width: 480px; margin-inline: auto; padding: 28px; }
  .inquiry-form > h3,.form-intro { text-align: center; }
  .inquiry-form > h3 { font-size: 21px; }
  body:has(.field input:focus,.field textarea:focus) .mobile-dock { display: none; }
  .footer { padding-top: 32px; padding-bottom: calc(100px + env(safe-area-inset-bottom)); }
  .footer-inner { display: block; text-align: center; }
  .footer-links { margin-top: 20px; align-items: center; gap: 8px; }
  .mobile-dock { display: grid; grid-template-columns: 1.3fr .85fr 1fr; position: fixed; bottom: 0; left: 0; right: 0; z-index: 40; min-height: 68px; padding-bottom: env(safe-area-inset-bottom); background: #fff; color: #fff; box-shadow: 0 -2px 16px #18335320; }
  .mobile-dock a { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 68px; padding: 9px 4px; font-size: 14px; line-height: 1.4; font-weight: 700; }
  .dock-phone { background: var(--blue); }
  .dock-phone span { font-size: 11px; margin-bottom: 3px; }
  .dock-phone strong { font: 700 17px/1.3 Arial,sans-serif; }
  .dock-line { background: var(--green); }
  .dock-form { background: var(--orange); }
}

@media (max-width: 599px) {
  :root { --gutter: 20px; --section-space: 48px; --heading-gap: 24px; --card-space: 24px; }
  h2,.area h2,.faq h2 { font-size: clamp(23px,6.2vw,27px); }
  .hero-copy { padding-top: 24px; padding-bottom: 22px; }
  .hero-category { font-size: 14px; margin-bottom: 14px; }
  .hero h1 { font-size: clamp(29px,8.7vw,37px); }
  .hero h1 > span { font-size: clamp(19px,5.65vw,23px); }
  .hero-description { margin-top: 16px; }
  .hero-actions { margin-top: 20px; }
  .trust-inner { padding-block: 16px; }
  .trust-inner p { font-size: 13px; }
  .trust-inner > div { min-height: 78px; }
  .concerns { padding-block: 44px; }
  .concern h3 { font-size: 18px; }
  .concern-answer { font-size: 13px; }
  .reasons-intro { padding-block: 36px; }
  .reasons-intro h2 { font-size: clamp(25px,6.7vw,28px); }
  .feature { padding-block: 44px; }
  .feature-layout,.feature-selection .feature-layout { gap: 20px; }
  .feature h3 { font-size: clamp(22px,6.1vw,26px); }
  .feature-guarantee { padding-block: 36px; }
  .guarantee-detail .caption { text-align: left; }
  .selection-board { padding: 22px 22px 0; }
  .board-footer { margin-inline: -22px; }
  .selection-board li { padding-block: 14px; }
  .payment h3 { font-size: clamp(21px,5.7vw,23px); }
  .purchase-label { font-size: clamp(19px,5.3vw,22px); }
  .contact-band h2 { font-size: clamp(24px,6.2vw,27px); }
  .contact-band .button { font-size: 15px; }
  .inquiry-form { padding: 24px 20px; }
  .service-choices label { padding: 12px 10px; gap: 7px; }
  .field input,.field textarea { padding-inline: 12px; }
  .field input::placeholder,.field textarea::placeholder { font-size: 13px; }
  .submit-button { padding-inline: 18px; }
}

@media (max-width: 370px) {
  .header { padding-inline: 16px; }
  .brand-name { font-size: 26px; }
  .brand-caption { font-size: 9px; }
  .button-small { font-size: 12px; padding-inline: 12px; gap: 9px; }
  .hero-actions .button { padding-inline: 16px; font-size: 15px; }
  .payment { padding-inline: 18px; }
  .selection-board { padding-inline: 18px; }
  .board-footer { margin-inline: -18px; }
  .service-panel { padding-inline: 18px; }
  .inquiry-form { padding-inline: 16px; }
  .service-choices label { font-size: 12px; padding-inline: 8px; gap: 6px; }
  .contact-line { padding-inline: 16px; gap: 10px; }
  .dock-phone strong { font-size: 15px; }
}

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

.analytics-notice {margin-top:20px;font-size:11px;line-height:1.8;color:var(--muted);}
.analytics-notice a {text-decoration:underline;text-underline-offset:3px;}